Winston Churchill was the incumbent Prime Minister of the United Kingdom when Elizabeth became queen in 1952. The current Prime Minister is Boris Johnson, he is the fourteenth Prime Minister during the reign of Elizabeth II.

The fourteen Prime Minister's are:

Sir Winston Churchill, Sir Anthony Eden, Harold Macmillan, Sir Alec Douglas-Home, Harold Wilson, Edward Heath, James Callaghan, Margaret Thatcher, John Major, Tony Blair, Gordon Brown, David Cameron, Theresa May and Boris Johnson.

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